!This example demo modeling a ring using APDL

fini

/cle

/filname,ring,1

/prep7

*AFUN,DEG

TOT=12

N=TOT*3

et,1,45

et,2,200

keyopt,2,1,6

DIV=360/TOT

DIS=0。

6/TOT

rid=1

rid2=0。

1

csys,1

*DO,I,1,N 1

k,I,rid,(I-1)*DIV,(I-1)*DIS

*ENDDO

flst,3,n 1,3

*do,i,1,n 1

fitem,3,i

*enddo

bsplin,,p51x

ldiv,1,,,3

csys,0

wprot,,90

wpoff,ridpcirc,rid2,,0,360

asel,all

lsla,s

lesi,all,,,4

type,2

mshkey,0

amesh,all

type,1

extopt,esize,60

vdrag,1,,,,,,1

vdrag,6,,,,,,2

vdrag,11,,,,,,3。